Heavy Civil

Heavy civil engineering is the very backbone of American infrastructure, and for more than 60 years, Clark Bros Inc., has been at the forefront of the industry providing comprehensive and custom-tailored solutions covering excavation, grading, roadway and foundation construction, soil stabilization, and other large-scale operational services.

Licensed in 19 states and continually expanding.

Our expertise employs a multidisciplinary approach which combines sound engineering principles with environmental considerations and regularity compliance, as pillars for the entire foundation. We’re able to collaborate with local government agencies, private developers, and other project stakeholders to bring ideas to life while meeting budgetary constraints and strict timelines.

Licensed in 19 states and continually expanding, CBI has supported residential, commercial, and industrial contracting efforts through drilling and excavation, roadway paving and concrete, piers and foundations, and other essential infrastructure needs. Our intricate planning and operations systems allow us to execute with precision while maintaining strict quality control measures throughout the entire project. This process allows us to ensure safety, environmentally sustainability, and long-term quality and resiliency of the project itself.

Be it improving the quality of life for people in the community or facilitating economic growth through a new business venture, we’ve got the experience you need to get the job done right.

Support Includes:

  • Mass and Fine Grading
  • Excavation
  • Drilling
  • Installation of Conduits & Grounding
  • Security Walls
  • Erosion Control
  • Paving
  • Soil Stabilization
  • Roadways
  • SWPPP Implementation
  • Concrete Structural Vaults
  • Concrete Piers & Foundations

View some of our recent projects

Rexford Solar | Phase 1 | Clark Bros Inc Heavy Civil Projects

Rexford Solar – Phase 1

The Rexford 1 project involves the development and operation of a ground mounted solar photovoltaic (PV) facility with a capacity of up to 400 megawatts (MW). Additionally, the project includes the implementation of an energy storage system (ESS) with a storage capacity of up to 180 MW, an on-site substation, transmiss...click learn more to see the complete project.


Learn More

CBI Builds the Luna Valley Solar Site in Mota, California with Safety, Grit, and Teamwork

Luna Valley Solar

CBI crews are hard at work at the Luna Valley Solar Site in Mendota, CA — delivering clean energy with teamwork, safety, and determination....click learn more to see the complete project.


Learn More

Clark Bros Inc | Fifth Standard Solar & Energy Storage Project

Fifth Standard Solar & Energy Storage Project

The Fifth Standard Solar Facility is a 150-megawatt (MW) solar photovoltaic (PV) facility with an onsite 20Mw solar PV generation facility and a 20Mw energy storage system. Power would tie into an existing transmission substation owned by PG&E (Gates Substation) is located approximately 0.4 mile southwest of the Projec...click learn more to see the complete project.


Learn More